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android / platform / packages / apps / Gallery2 / e8e2610 / . / src / com / android / camera / VideoModule.java
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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.camera;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences.Editor;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.SurfaceTexture;
import android.hardware.Camera.CameraInfo;
import android.hardware.Camera.Parameters;
import android.hardware.Camera.PictureCallback;
import android.hardware.Camera.Size;
import android.location.Location;
import android.media.CamcorderProfile;
import android.media.CameraProfile;
import android.media.MediaRecorder;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.ParcelFileDescriptor;
import android.os.SystemClock;
import android.provider.MediaStore;
import android.provider.MediaStore.MediaColumns;
import android.provider.MediaStore.Video;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.OrientationEventListener;
import android.view.View;
import android.view.WindowManager;
import android.widget.Toast;
import com.android.camera.ui.PopupManager;
import com.android.camera.ui.RotateTextToast;
import com.android.gallery3d.R;
import com.android.gallery3d.common.ApiHelper;
import com.android.gallery3d.exif.ExifInterface;
import com.android.gallery3d.util.AccessibilityUtils;
import com.android.gallery3d.util.UsageStatistics;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
public class VideoModule implements CameraModule,
VideoController,
CameraPreference.OnPreferenceChangedListener,
ShutterButton.OnShutterButtonListener,
MediaRecorder.OnErrorListener,
MediaRecorder.OnInfoListener,
EffectsRecorder.EffectsListener {
private static final String TAG = "CAM_VideoModule";
// We number the request code from 1000 to avoid collision with Gallery.
private static final int REQUEST_EFFECT_BACKDROPPER = 1000;
private static final int CHECK_DISPLAY_ROTATION = 3;
private static final int CLEAR_SCREEN_DELAY = 4;
private static final int UPDATE_RECORD_TIME = 5;
private static final int ENABLE_SHUTTER_BUTTON = 6;
private static final int SHOW_TAP_TO_SNAPSHOT_TOAST = 7;
private static final int SWITCH_CAMERA = 8;
private static final int SWITCH_CAMERA_START_ANIMATION = 9;
private static final int HIDE_SURFACE_VIEW = 10;
private static final int CAPTURE_ANIMATION_DONE = 11;
private static final int SCREEN_DELAY = 2 * 60 * 1000;
private static final long SHUTTER_BUTTON_TIMEOUT = 500L; // 500ms
/**
* An unpublished intent flag requesting to start recording straight away
* and return as soon as recording is stopped.
* TODO: consider publishing by moving into MediaStore.
*/
private static final String EXTRA_QUICK_CAPTURE =
"android.intent.extra.quickCapture";
private static final int MIN_THUMB_SIZE = 64;
// module fields
private CameraActivity mActivity;
private boolean mPaused;
private int mCameraId;
private Parameters mParameters;
private Boolean mCameraOpened = false;
private boolean mSnapshotInProgress = false;
private static final String EFFECT_BG_FROM_GALLERY = "gallery";
private final CameraErrorCallback mErrorCallback = new CameraErrorCallback();
private ComboPreferences mPreferences;
private PreferenceGroup mPreferenceGroup;
private CameraScreenNail.OnFrameDrawnListener mFrameDrawnListener;
private boolean mIsVideoCaptureIntent;
private boolean mQuickCapture;
private boolean mIsInReviewMode = false;
private MediaRecorder mMediaRecorder;
private EffectsRecorder mEffectsRecorder;
private boolean mEffectsDisplayResult;
private int mEffectType = EffectsRecorder.EFFECT_NONE;
private Object mEffectParameter = null;
private String mEffectUriFromGallery = null;
private String mPrefVideoEffectDefault;
private boolean mResetEffect = true;
private boolean mSwitchingCamera;
private boolean mMediaRecorderRecording = false;
private long mRecordingStartTime;
private boolean mRecordingTimeCountsDown = false;
private long mOnResumeTime;
// The video file that the hardware camera is about to record into
// (or is recording into.)
private String mVideoFilename;
private ParcelFileDescriptor mVideoFileDescriptor;
// The video file that has already been recorded, and that is being
// examined by the user.
private String mCurrentVideoFilename;
private Uri mCurrentVideoUri;
private ContentValues mCurrentVideoValues;
private CamcorderProfile mProfile;
// The video duration limit. 0 menas no limit.
private int mMaxVideoDurationInMs;
// Time Lapse parameters.
private boolean mCaptureTimeLapse = false;
// Default 0. If it is larger than 0, the camcorder is in time lapse mode.
private int mTimeBetweenTimeLapseFrameCaptureMs = 0;
boolean mPreviewing = false; // True if preview is started.
// The display rotation in degrees. This is only valid when mPreviewing is
// true.
private int mDisplayRotation;
private int mCameraDisplayOrientation;
private int mDesiredPreviewWidth;
private int mDesiredPreviewHeight;
private ContentResolver mContentResolver;
private LocationManager mLocationManager;
private int mPendingSwitchCameraId;
private final Handler mHandler = new MainHandler();
private VideoUI mUI;
// The degrees of the device rotated clockwise from its natural orientation.
private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN;
private int mZoomValue; // The current zoom value.
private boolean mRestoreFlash; // This is used to check if we need to restore the flash
// status when going back from gallery.
private final MediaSaveService.OnMediaSavedListener mOnVideoSavedListener =
new MediaSaveService.OnMediaSavedListener() {
@Override
public void onMediaSaved(Uri uri) {
if (uri != null) {
mActivity.addSecureAlbumItemIfNeeded(true, uri);
mActivity.sendBroadcast(
new Intent(Util.ACTION_NEW_VIDEO, uri));
Util.broadcastNewPicture(mActivity, uri);
}
}
};
private final MediaSaveService.OnMediaSavedListener mOnPhotoSavedListener =
new MediaSaveService.OnMediaSavedListener() {
@Override
public void onMediaSaved(Uri uri) {
if (uri != null) {
Util.broadcastNewPicture(mActivity, uri);
}
}
};
protected class CameraOpenThread extends Thread {
@Override
public void run() {
openCamera();
}
}
private void openCamera() {
try {
synchronized(mCameraOpened) {
if (!mCameraOpened) {
mActivity.mCameraDevice = Util.openCamera(mActivity, mCameraId);
mCameraOpened = true;
}
}
mParameters = mActivity.mCameraDevice.getParameters();
} catch (CameraHardwareException e) {
mActivity.mOpenCameraFail = true;
} catch (CameraDisabledException e) {
mActivity.mCameraDisabled = true;
}
}
// This Handler is used to post message back onto the main thread of the
// application
private class MainHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case ENABLE_SHUTTER_BUTTON:
mUI.enableShutter(true);
break;
case CLEAR_SCREEN_DELAY: {
mActivity.getWindow().clearFlags(
WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
break;
}
case UPDATE_RECORD_TIME: {
updateRecordingTime();
break;
}
case CHECK_DISPLAY_ROTATION: {
// Restart the preview if display rotation has changed.
// Sometimes this happens when the device is held upside
// down and camera app is opened. Rotation animation will
// take some time and the rotation value we have got may be
// wrong. Framework does not have a callback for this now.
if ((Util.getDisplayRotation(mActivity) != mDisplayRotation)
&& !mMediaRecorderRecording && !mSwitchingCamera) {
startPreview();
}
if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) {
mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100);
}
break;
}
case SHOW_TAP_TO_SNAPSHOT_TOAST: {
showTapToSnapshotToast();
break;
}
case SWITCH_CAMERA: {
switchCamera();
break;
}
case SWITCH_CAMERA_START_ANIMATION: {
((CameraScreenNail) mActivity.mCameraScreenNail).animateSwitchCamera();
// Enable all camera controls.
mSwitchingCamera = false;
break;
}
case HIDE_SURFACE_VIEW: {
mUI.hideSurfaceView();
break;
}
case CAPTURE_ANIMATION_DONE: {
mUI.enablePreviewThumb(false);
break;
}
default:
Log.v(TAG, "Unhandled message: " + msg.what);
break;
}
}
}
private BroadcastReceiver mReceiver = null;
private class MyBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(Intent.ACTION_MEDIA_EJECT)) {
stopVideoRecording();
} else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) {
Toast.makeText(mActivity,
mActivity.getResources().getString(R.string.wait), Toast.LENGTH_LONG).show();
}
}
}
private String createName(long dateTaken) {
Date date = new Date(dateTaken);
SimpleDateFormat dateFormat = new SimpleDateFormat(
mActivity.getString(R.string.video_file_name_format));
return dateFormat.format(date);
}
private int getPreferredCameraId(ComboPreferences preferences) {
int intentCameraId = Util.getCameraFacingIntentExtras(mActivity);
if (intentCameraId != -1) {
// Testing purpose. Launch a specific camera through the intent
// extras.
return intentCameraId;
} else {
return CameraSettings.readPreferredCameraId(preferences);
}
}
private void initializeSurfaceView() {
if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) { // API level < 16
mFrameDrawnListener = new CameraScreenNail.OnFrameDrawnListener() {
@Override
public void onFrameDrawn(CameraScreenNail c) {
mHandler.sendEmptyMessage(HIDE_SURFACE_VIEW);
}
};
mUI.getSurfaceHolder().addCallback(mUI);
}
}
@Override
public void init(CameraActivity activity, View root, boolean reuseScreenNail) {
mActivity = activity;
mUI = new VideoUI(activity, this, root);
mPreferences = new ComboPreferences(mActivity);
CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal());
mCameraId = getPreferredCameraId(mPreferences);
mPreferences.setLocalId(mActivity, mCameraId);
CameraSettings.upgradeLocalPreferences(mPreferences.getLocal());
mActivity.mNumberOfCameras = CameraHolder.instance().getNumberOfCameras();
mPrefVideoEffectDefault = mActivity.getString(R.string.pref_video_effect_default);
resetEffect();
/*
* To reduce startup time, we start the preview in another thread.
* We make sure the preview is started at the end of onCreate.
*/
CameraOpenThread cameraOpenThread = new CameraOpenThread();
cameraOpenThread.start();
mContentResolver = mActivity.getContentResolver();
// Surface texture is from camera screen nail and startPreview needs it.
// This must be done before startPreview.
mIsVideoCaptureIntent = isVideoCaptureIntent();
if (reuseScreenNail) {
mActivity.reuseCameraScreenNail(!mIsVideoCaptureIntent);
} else {
mActivity.createCameraScreenNail(!mIsVideoCaptureIntent);
}
initializeSurfaceView();
// Make sure camera device is opened.
try {
cameraOpenThread.join();
if (mActivity.mOpenCameraFail) {
Util.showErrorAndFinish(mActivity, R.string.cannot_connect_camera);
return;
} else if (mActivity.mCameraDisabled) {
Util.showErrorAndFinish(mActivity, R.string.camera_disabled);
return;
}
} catch (InterruptedException ex) {
// ignore
}
readVideoPreferences();
mUI.setPrefChangedListener(this);
new Thread(new Runnable() {
@Override
public void run() {
startPreview();
}
}).start();
mQuickCapture = mActivity.getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false);
mLocationManager = new LocationManager(mActivity, null);
mUI.setOrientationIndicator(0, false);
setDisplayOrientation();
mUI.showTimeLapseUI(mCaptureTimeLapse);
initializeVideoSnapshot();
resizeForPreviewAspectRatio();
initializeVideoControl();
mPendingSwitchCameraId = -1;
mUI.updateOnScreenIndicators(mParameters, mPreferences);
// Disable the shutter button if effects are ON since it might take
// a little more time for the effects preview to be ready. We do not
// want to allow recording before that happens. The shutter button
// will be enabled when we get the message from effectsrecorder that
// the preview is running. This becomes critical when the camera is
// swapped.
if (effectsActive()) {
mUI.enableShutter(false);
}
}
// SingleTapListener
// Preview area is touched. Take a picture.
@Override
public void onSingleTapUp(View view, int x, int y) {
if (mMediaRecorderRecording && effectsActive()) {
new RotateTextToast(mActivity, R.string.disable_video_snapshot_hint,
mOrientation).show();
return;
}
MediaSaveService s = mActivity.getMediaSaveService();
if (mPaused || mSnapshotInProgress || effectsActive() || s == null || s.isQueueFull()) {
return;
}
if (!mMediaRecorderRecording) {
// check for dismissing popup
mUI.dismissPopup(true);
return;
}
// Set rotation and gps data.
int rotation = Util.getJpegRotation(mCameraId, mOrientation);
mParameters.setRotation(rotation);
Location loc = mLocationManager.getCurrentLocation();
Util.setGpsParameters(mParameters, loc);
mActivity.mCameraDevice.setParameters(mParameters);
Log.v(TAG, "Video snapshot start");
mActivity.mCameraDevice.takePicture(null, null, null, new JpegPictureCallback(loc));
showVideoSnapshotUI(true);
mSnapshotInProgress = true;
UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
UsageStatistics.ACTION_CAPTURE_DONE, "VideoSnapshot");
}
@Override
public void onStop() {}
private void loadCameraPreferences() {
CameraSettings settings = new CameraSettings(mActivity, mParameters,
mCameraId, CameraHolder.instance().getCameraInfo());
// Remove the video quality preference setting when the quality is given in the intent.
mPreferenceGroup = filterPreferenceScreenByIntent(
settings.getPreferenceGroup(R.xml.video_preferences));
}
private void initializeVideoControl() {
loadCameraPreferences();
mUI.initializePopup(mPreferenceGroup);
if (effectsActive()) {
mUI.overrideSettings(
CameraSettings.KEY_VIDEO_QUALITY,
Integer.toString(getLowVideoQuality()));
}
}
@TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB)
private static int getLowVideoQuality() {
if (ApiHelper.HAS_FINE_RESOLUTION_QUALITY_LEVELS) {
return CamcorderProfile.QUALITY_480P;
} else {
return CamcorderProfile.QUALITY_LOW;
}
}
@Override
public void onOrientationChanged(int orientation) {
// We keep the last known orientation. So if the user first orient
// the camera then point the camera to floor or sky, we still have
// the correct orientation.
if (orientation == OrientationEventListener.ORIENTATION_UNKNOWN) return;
int newOrientation = Util.roundOrientation(orientation, mOrientation);
if (mOrientation != newOrientation) {
mOrientation = newOrientation;
// The input of effects recorder is affected by
// android.hardware.Camera.setDisplayOrientation. Its value only
// compensates the camera orientation (no Display.getRotation).
// So the orientation hint here should only consider sensor
// orientation.
if (effectsActive()) {
mEffectsRecorder.setOrientationHint(mOrientation);
}
}
// Show the toast after getting the first orientation changed.
if (mHandler.hasMessages(SHOW_TAP_TO_SNAPSHOT_TOAST)) {
mHandler.removeMessages(SHOW_TAP_TO_SNAPSHOT_TOAST);
showTapToSnapshotToast();
}
}
private void startPlayVideoActivity() {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(mCurrentVideoUri, convertOutputFormatToMimeType(mProfile.fileFormat));
try {
mActivity.startActivity(intent);
} catch (ActivityNotFoundException ex) {
Log.e(TAG, "Couldn't view video " + mCurrentVideoUri, ex);
}
}
@OnClickAttr
public void onReviewPlayClicked(View v) {
startPlayVideoActivity();
}
@OnClickAttr
public void onReviewDoneClicked(View v) {
mIsInReviewMode = false;
doReturnToCaller(true);
}
@OnClickAttr
public void onReviewCancelClicked(View v) {
mIsInReviewMode = false;
stopVideoRecording();
doReturnToCaller(false);
}
@Override
public boolean isInReviewMode() {
return mIsInReviewMode;
}
private void onStopVideoRecording() {
mEffectsDisplayResult = true;
boolean recordFail = stopVideoRecording();
if (mIsVideoCaptureIntent) {
if (!effectsActive()) {
if (mQuickCapture) {
doReturnToCaller(!recordFail);
} else if (!recordFail) {
showCaptureResult();
}
}
} else if (!recordFail){
// Start capture animation.
if (!mPaused && ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) {
// The capture animation is disabled on ICS because we use SurfaceView
// for preview during recording. When the recording is done, we switch
// back to use SurfaceTexture for preview and we need to stop then start
// the preview. This will cause the preview flicker since the preview
// will not be continuous for a short period of time.
// Get orientation directly from display rotation to make sure it's up
// to date. OnConfigurationChanged callback usually kicks in a bit later, if
// device is rotated during recording.
mDisplayRotation = Util.getDisplayRotation(mActivity);
((CameraScreenNail) mActivity.mCameraScreenNail).animateCapture(mDisplayRotation);
mUI.enablePreviewThumb(true);
// Make sure to disable the thumbnail preview after the
// animation is done to disable the click target.
mHandler.removeMessages(CAPTURE_ANIMATION_DONE);
mHandler.sendEmptyMessageDelayed(CAPTURE_ANIMATION_DONE,
CaptureAnimManager.getAnimationDuration());
}
}
}
public void onProtectiveCurtainClick(View v) {
// Consume clicks
}
@Override
public void onShutterButtonClick() {
if (mUI.collapseCameraControls() || mSwitchingCamera) return;
boolean stop = mMediaRecorderRecording;
if (stop) {
onStopVideoRecording();
} else {
startVideoRecording();
}
mUI.enableShutter(false);
// Keep the shutter button disabled when in video capture intent
// mode and recording is stopped. It'll be re-enabled when
// re-take button is clicked.
if (!(mIsVideoCaptureIntent && stop)) {
mHandler.sendEmptyMessageDelayed(
ENABLE_SHUTTER_BUTTON, SHUTTER_BUTTON_TIMEOUT);
}
}
@Override
public void onShutterButtonFocus(boolean pressed) {
mUI.setShutterPressed(pressed);
}
private void readVideoPreferences() {
// The preference stores values from ListPreference and is thus string type for all values.
// We need to convert it to int manually.
String defaultQuality = CameraSettings.getDefaultVideoQuality(mCameraId,
mActivity.getResources().getString(R.string.pref_video_quality_default));
String videoQuality =
mPreferences.getString(CameraSettings.KEY_VIDEO_QUALITY,
defaultQuality);
int quality = Integer.valueOf(videoQuality);
// Set video quality.
Intent intent = mActivity.getIntent();
if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) {
int extraVideoQuality =
intent.getIntExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
if (extraVideoQuality > 0) {
quality = CamcorderProfile.QUALITY_HIGH;
} else { // 0 is mms.
quality = CamcorderProfile.QUALITY_LOW;
}
}
// Set video duration limit. The limit is read from the preference,
// unless it is specified in the intent.
if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) {
int seconds =
intent.getIntExtra(MediaStore.EXTRA_DURATION_LIMIT, 0);
mMaxVideoDurationInMs = 1000 * seconds;
} else {
mMaxVideoDurationInMs = CameraSettings.getMaxVideoDuration(mActivity);
}
// Set effect
mEffectType = CameraSettings.readEffectType(mPreferences);
if (mEffectType != EffectsRecorder.EFFECT_NONE) {
mEffectParameter = CameraSettings.readEffectParameter(mPreferences);
// Set quality to be no higher than 480p.
CamcorderProfile profile = CamcorderProfile.get(mCameraId, quality);
if (profile.videoFrameHeight > 480) {
quality = getLowVideoQuality();
}
} else {
mEffectParameter = null;
}
// Read time lapse recording interval.
if (ApiHelper.HAS_TIME_LAPSE_RECORDING) {
String frameIntervalStr = mPreferences.getString(
CameraSettings.KEY_VIDEO_TIME_LAPSE_FRAME_INTERVAL,
mActivity.getString(R.string.pref_video_time_lapse_frame_interval_default));
mTimeBetweenTimeLapseFrameCaptureMs = Integer.parseInt(frameIntervalStr);
mCaptureTimeLapse = (mTimeBetweenTimeLapseFrameCaptureMs != 0);
}
// TODO: This should be checked instead directly +1000.
if (mCaptureTimeLapse) quality += 1000;
mProfile = CamcorderProfile.get(mCameraId, quality);
getDesiredPreviewSize();
}
private void writeDefaultEffectToPrefs() {
ComboPreferences.Editor editor = mPreferences.edit();
editor.putString(CameraSettings.KEY_VIDEO_EFFECT,
mActivity.getString(R.string.pref_video_effect_default));
editor.apply();
}
@TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB)
private void getDesiredPreviewSize() {
mParameters = mActivity.mCameraDevice.getParameters();
if (ApiHelper.HAS_GET_SUPPORTED_VIDEO_SIZE) {
if (mParameters.getSupportedVideoSizes() == null || effectsActive()) {
mDesiredPreviewWidth = mProfile.videoFrameWidth;
mDesiredPreviewHeight = mProfile.videoFrameHeight;
} else { // Driver supports separates outputs for preview and video.
List<Size> sizes = mParameters.getSupportedPreviewSizes();
Size preferred = mParameters.getPreferredPreviewSizeForVideo();
int product = preferred.width * preferred.height;
Iterator<Size> it = sizes.iterator();
// Remove the preview sizes that are not preferred.
while (it.hasNext()) {
Size size = it.next();
if (size.width * size.height > product) {
it.remove();
}
}
Size optimalSize = Util.getOptimalPreviewSize(mActivity, sizes,
(double) mProfile.videoFrameWidth / mProfile.videoFrameHeight);
mDesiredPreviewWidth = optimalSize.width;
mDesiredPreviewHeight = optimalSize.height;
}
} else {
mDesiredPreviewWidth = mProfile.videoFrameWidth;
mDesiredPreviewHeight = mProfile.videoFrameHeight;
}
Log.v(TAG, "mDesiredPreviewWidth=" + mDesiredPreviewWidth +
". mDesiredPreviewHeight=" + mDesiredPreviewHeight);
}
private void resizeForPreviewAspectRatio() {
mUI.setAspectRatio(
(double) mProfile.videoFrameWidth / mProfile.videoFrameHeight);
}
@Override
public void installIntentFilter() {
// install an intent filter to receive SD card related events.
IntentFilter intentFilter =
new IntentFilter(Intent.ACTION_MEDIA_EJECT);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);
intentFilter.addDataScheme("file");
mReceiver = new MyBroadcastReceiver();
mActivity.registerReceiver(mReceiver, intentFilter);
}
@Override
public void onResumeBeforeSuper() {
mPaused = false;
}
@Override
public void onResumeAfterSuper() {
if (mActivity.mOpenCameraFail || mActivity.mCameraDisabled)
return;
mUI.enableShutter(false);
mZoomValue = 0;
showVideoSnapshotUI(false);
if (!mPreviewing) {
resetEffect();
openCamera();
if (mActivity.mOpenCameraFail) {
Util.showErrorAndFinish(mActivity,
R.string.cannot_connect_camera);
return;
} else if (mActivity.mCameraDisabled) {
Util.showErrorAndFinish(mActivity, R.string.camera_disabled);
return;
}
readVideoPreferences();
resizeForPreviewAspectRatio();
new Thread(new Runnable() {
@Override
public void run() {
startPreview();
}
}).start();
} else {
// preview already started
mUI.enableShutter(true);
}
// Initializing it here after the preview is started.
mUI.initializeZoom(mParameters);
keepScreenOnAwhile();
// Initialize location service.
boolean recordLocation = RecordLocationPreference.get(mPreferences,
mContentResolver);
mLocationManager.recordLocation(recordLocation);
if (mPreviewing) {
mOnResumeTime = SystemClock.uptimeMillis();
mHandler.sendEmptyMessageDelayed(CHECK_DISPLAY_ROTATION, 100);
}
// Dismiss open menu if exists.
PopupManager.getInstance(mActivity).notifyShowPopup(null);
UsageStatistics.onContentViewChanged(
UsageStatistics.COMPONENT_CAMERA, "VideoModule");
}
private void setDisplayOrientation() {
mDisplayRotation = Util.getDisplayRotation(mActivity);
if (ApiHelper.HAS_SURFACE_TEXTURE) {
// The display rotation is handled by gallery.
mCameraDisplayOrientation = Util.getDisplayOrientation(0, mCameraId);
} else {
// We need to consider display rotation ourselves.
mCameraDisplayOrientation = Util.getDisplayOrientation(mDisplayRotation, mCameraId);
}
// GLRoot also uses the DisplayRotation, and needs to be told to layout to update
mActivity.getGLRoot().requestLayoutContentPane();
}
@Override
public int onZoomChanged(int index) {
// Not useful to change zoom value when the activity is paused.
if (mPaused) return index;
mZoomValue = index;
if (mParameters == null || mActivity.mCameraDevice == null) return index;
// Set zoom parameters asynchronously
mParameters.setZoom(mZoomValue);
mActivity.mCameraDevice.setParameters(mParameters);
Parameters p = mActivity.mCameraDevice.getParameters();
if (p != null) return p.getZoom();
return index;
}
private void startPreview() {
Log.v(TAG, "startPreview");
mActivity.mCameraDevice.setErrorCallback(mErrorCallback);
if (mPreviewing == true) {
stopPreview();
if (effectsActive() && mEffectsRecorder != null) {
mEffectsRecorder.release();
mEffectsRecorder = null;
}
}
setDisplayOrientation();
mActivity.mCameraDevice.setDisplayOrientation(mCameraDisplayOrientation);
setCameraParameters();
try {
if (!effectsActive()) {
if (ApiHelper.HAS_SURFACE_TEXTURE) {
SurfaceTexture surfaceTexture = ((CameraScreenNail) mActivity.mCameraScreenNail)
.getSurfaceTexture();
if (surfaceTexture == null) {
return; // The texture has been destroyed (pause, etc)
}
mActivity.mCameraDevice.setPreviewTextureAsync(surfaceTexture);
} else {
mActivity.mCameraDevice.setPreviewDisplayAsync(mUI.getSurfaceHolder());
}
mActivity.mCameraDevice.startPreviewAsync();
mPreviewing = true;
onPreviewStarted();
} else {
initializeEffectsPreview();
mEffectsRecorder.startPreview();
mPreviewing = true;
onPreviewStarted();
}
} catch (Throwable ex) {
closeCamera();
throw new RuntimeException("startPreview failed", ex);
} finally {
mActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
if (mActivity.mOpenCameraFail) {
Util.showErrorAndFinish(mActivity, R.string.cannot_connect_camera);
} else if (mActivity.mCameraDisabled) {
Util.showErrorAndFinish(mActivity, R.string.camera_disabled);
}
}
});
}
}
private void onPreviewStarted() {
mUI.enableShutter(true);
}
@Override
public void stopPreview() {
mActivity.mCameraDevice.stopPreview();
mPreviewing = false;
}
// Closing the effects out. Will shut down the effects graph.
private void closeEffects() {
Log.v(TAG, "Closing effects");
mEffectType = EffectsRecorder.EFFECT_NONE;
if (mEffectsRecorder == null) {
Log.d(TAG, "Effects are already closed. Nothing to do");
return;
}
// This call can handle the case where the camera is already released
// after the recording has been stopped.
mEffectsRecorder.release();
mEffectsRecorder = null;
}
// By default, we want to close the effects as well with the camera.
private void closeCamera() {
closeCamera(true);
}
// In certain cases, when the effects are active, we may want to shutdown
// only the camera related parts, and handle closing the effects in the
// effectsUpdate callback.
// For example, in onPause, we want to make the camera available to
// outside world immediately, however, want to wait till the effects
// callback to shut down the effects. In such a case, we just disconnect
// the effects from the camera by calling disconnectCamera. That way
// the effects can handle that when shutting down.
//
// @param closeEffectsAlso - indicates whether we want to close the
// effects also along with the camera.
private void closeCamera(boolean closeEffectsAlso) {
Log.v(TAG, "closeCamera");
if (mActivity.mCameraDevice == null) {
Log.d(TAG, "already stopped.");
return;
}
if (mEffectsRecorder != null) {
// Disconnect the camera from effects so that camera is ready to
// be released to the outside world.
mEffectsRecorder.disconnectCamera();
}
if (closeEffectsAlso) closeEffects();
mActivity.mCameraDevice.setZoomChangeListener(null);
mActivity.mCameraDevice.setErrorCallback(null);
synchronized(mCameraOpened) {
if (mCameraOpened) {
CameraHolder.instance().release();
}
mCameraOpened = false;
}
mActivity.mCameraDevice = null;
mPreviewing = false;
mSnapshotInProgress = false;
}
private void releasePreviewResources() {
if (ApiHelper.HAS_SURFACE_TEXTURE) {
CameraScreenNail screenNail = (CameraScreenNail) mActivity.mCameraScreenNail;
screenNail.releaseSurfaceTexture();
if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) {
mHandler.removeMessages(HIDE_SURFACE_VIEW);
mUI.hideSurfaceView();
}
}
}
@Override
public void onPauseBeforeSuper() {
mPaused = true;
if (mMediaRecorderRecording) {
// Camera will be released in onStopVideoRecording.
onStopVideoRecording();
} else {
closeCamera();
if (!effectsActive()) releaseMediaRecorder();
}
if (effectsActive()) {
// If the effects are active, make sure we tell the graph that the
// surfacetexture is not valid anymore. Disconnect the graph from
// the display. This should be done before releasing the surface
// texture.
mEffectsRecorder.disconnectDisplay();
} else {
// Close the file descriptor and clear the video namer only if the
// effects are not active. If effects are active, we need to wait
// till we get the callback from the Effects that the graph is done
// recording. That also needs a change in the stopVideoRecording()
// call to not call closeCamera if the effects are active, because
// that will close down the effects are well, thus making this if
// condition invalid.
closeVideoFileDescriptor();
}
releasePreviewResources();
if (mReceiver != null) {
mActivity.unregisterReceiver(mReceiver);
mReceiver = null;
}
resetScreenOn();
if (mLocationManager != null) mLocationManager.recordLocation(false);
mHandler.removeMessages(CHECK_DISPLAY_ROTATION);
mHandler.removeMessages(SWITCH_CAMERA);
mHandler.removeMessages(SWITCH_CAMERA_START_ANIMATION);
mPendingSwitchCameraId = -1;
mSwitchingCamera = false;
// Call onPause after stopping video recording. So the camera can be
// released as soon as possible.
}
@Override
public void onPauseAfterSuper() {
}
@Override
public void onUserInteraction() {
if (!mMediaRecorderRecording && !mActivity.isFinishing()) {
keepScreenOnAwhile();
}
}
@Override
public boolean onBackPressed() {
if (mPaused) return true;
if (mMediaRecorderRecording) {
onStopVideoRecording();
return true;
} else if (mUI.hidePieRenderer()) {
return true;
} else {
return mUI.removeTopLevelPopup();
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// Do not handle any key if the activity is paused.
if (mPaused) {
return true;
}
switch (keyCode) {
case KeyEvent.KEYCODE_CAMERA:
if (event.getRepeatCount() == 0) {
mUI.clickShutter();
return true;
}
break;
case KeyEvent.KEYCODE_DPAD_CENTER:
if (event.getRepeatCount() == 0) {
mUI.clickShutter();
return true;
}
break;
case KeyEvent.KEYCODE_MENU:
if (mMediaRecorderRecording) return true;
break;
}
return false;
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_CAMERA:
mUI.pressShutter(false);
return true;
}
return false;
}
@Override
public boolean isVideoCaptureIntent() {
String action = mActivity.getIntent().getAction();
return (MediaStore.ACTION_VIDEO_CAPTURE.equals(action));
}
private void doReturnToCaller(boolean valid) {
Intent resultIntent = new Intent();
int resultCode;
if (valid) {
resultCode = Activity.RESULT_OK;
resultIntent.setData(mCurrentVideoUri);
} else {
resultCode = Activity.RESULT_CANCELED;
}
mActivity.setResultEx(resultCode, resultIntent);
mActivity.finish();
}
private void cleanupEmptyFile() {
if (mVideoFilename != null) {
File f = new File(mVideoFilename);
if (f.length() == 0 && f.delete()) {
Log.v(TAG, "Empty video file deleted: " + mVideoFilename);
mVideoFilename = null;
}
}
}
private void setupMediaRecorderPreviewDisplay() {
// Nothing to do here if using SurfaceTexture.
if (!ApiHelper.HAS_SURFACE_TEXTURE) {
mMediaRecorder.setPreviewDisplay(mUI.getSurfaceHolder().getSurface());
} else if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) {
// We stop the preview here before unlocking the device because we
// need to change the SurfaceTexture to SurfaceView for preview.
stopPreview();
mActivity.mCameraDevice.setPreviewDisplayAsync(mUI.getSurfaceHolder());
// The orientation for SurfaceTexture is different from that for
// SurfaceView. For SurfaceTexture we don't need to consider the
// display rotation. Just consider the sensor's orientation and we
// will set the orientation correctly when showing the texture.
// Gallery will handle the orientation for the preview. For
// SurfaceView we will have to take everything into account so the
// display rotation is considered.
mActivity.mCameraDevice.setDisplayOrientation(
Util.getDisplayOrientation(mDisplayRotation, mCameraId));
mActivity.mCameraDevice.startPreviewAsync();
mPreviewing = true;
mMediaRecorder.setPreviewDisplay(mUI.getSurfaceHolder().getSurface());
}
}
// Prepares media recorder.
private void initializeRecorder() {
Log.v(TAG, "initializeRecorder");
// If the mCameraDevice is null, then this activity is going to finish
if (mActivity.mCameraDevice == null) return;
if (!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING && ApiHelper.HAS_SURFACE_TEXTURE) {
// Set the SurfaceView to visible so the surface gets created.
// surfaceCreated() is called immediately when the visibility is
// changed to visible. Thus, mSurfaceViewReady should become true
// right after calling setVisibility().
mUI.showSurfaceView();
if (!mUI.isSurfaceViewReady()) return;
}
Intent intent = mActivity.getIntent();
Bundle myExtras = intent.getExtras();
long requestedSizeLimit = 0;
closeVideoFileDescriptor();
if (mIsVideoCaptureIntent && myExtras != null) {
Uri saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT);
if (saveUri != null) {
try {
mVideoFileDescriptor =
mContentResolver.openFileDescriptor(saveUri, "rw");
mCurrentVideoUri = saveUri;
} catch (java.io.FileNotFoundException ex) {
// invalid uri
Log.e(TAG, ex.toString());
}
}
requestedSizeLimit = myExtras.getLong(MediaStore.EXTRA_SIZE_LIMIT);
}
mMediaRecorder = new MediaRecorder();
setupMediaRecorderPreviewDisplay();
// Unlock the camera object before passing it to media recorder.
mActivity.mCameraDevice.unlock();
mActivity.mCameraDevice.waitDone();
mMediaRecorder.setCamera(mActivity.mCameraDevice.getCamera());
if (!mCaptureTimeLapse) {
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
}
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mMediaRecorder.setProfile(mProfile);
mMediaRecorder.setMaxDuration(mMaxVideoDurationInMs);
if (mCaptureTimeLapse) {
double fps = 1000 / (double) mTimeBetweenTimeLapseFrameCaptureMs;
setCaptureRate(mMediaRecorder, fps);
}
setRecordLocation();
// Set output file.
// Try Uri in the intent first. If it doesn't exist, use our own
// instead.
if (mVideoFileDescriptor != null) {
mMediaRecorder.setOutputFile(mVideoFileDescriptor.getFileDescriptor());
} else {
generateVideoFilename(mProfile.fileFormat);
mMediaRecorder.setOutputFile(mVideoFilename);
}
// Set maximum file size.
long maxFileSize = mActivity.getStorageSpace() - Storage.LOW_STORAGE_THRESHOLD;
if (requestedSizeLimit > 0 && requestedSizeLimit < maxFileSize) {
maxFileSize = requestedSizeLimit;
}
try {
mMediaRecorder.setMaxFileSize(maxFileSize);
} catch (RuntimeException exception) {
// We are going to ignore failure of setMaxFileSize here, as
// a) The composer selected may simply not support it, or
// b) The underlying media framework may not handle 64-bit range
// on the size restriction.
}
// See android.hardware.Camera.Parameters.setRotation for
// documentation.
// Note that mOrientation here is the device orientation, which is the opposite of
// what activity.getWindowManager().getDefaultDisplay().getRotation() would return,
// which is the orientation the graphics need to rotate in order to render correctly.
int rotation = 0;
if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) {
CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId];
if (info.facing == CameraInfo.CAMERA_FACING_FRONT) {
rotation = (info.orientation - mOrientation + 360) % 360;
} else { // back-facing camera
rotation = (info.orientation + mOrientation) % 360;
}
}
mMediaRecorder.setOrientationHint(rotation);
try {
mMediaRecorder.prepare();
} catch (IOException e) {
Log.e(TAG, "prepare failed for " + mVideoFilename, e);
releaseMediaRecorder();
throw new RuntimeException(e);
}
mMediaRecorder.setOnErrorListener(this);
mMediaRecorder.setOnInfoListener(this);
}
@TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB)
private static void setCaptureRate(MediaRecorder recorder, double fps) {
recorder.setCaptureRate(fps);
}
@TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH)
private void setRecordLocation() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
Location loc = mLocationManager.getCurrentLocation();
if (loc != null) {
mMediaRecorder.setLocation((float) loc.getLatitude(),
(float) loc.getLongitude());
}
}
}
private void initializeEffectsPreview() {
Log.v(TAG, "initializeEffectsPreview");
// If the mCameraDevice is null, then this activity is going to finish
if (mActivity.mCameraDevice == null) return;
boolean inLandscape = (mActivity.getResources().getConfiguration().orientation
== Configuration.ORIENTATION_LANDSCAPE);
CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId];
mEffectsDisplayResult = false;
mEffectsRecorder = new EffectsRecorder(mActivity);
// TODO: Confirm none of the following need to go to initializeEffectsRecording()
// and none of these change even when the preview is not refreshed.
mEffectsRecorder.setCameraDisplayOrientation(mCameraDisplayOrientation);
mEffectsRecorder.setCamera(mActivity.mCameraDevice);
mEffectsRecorder.setCameraFacing(info.facing);
mEffectsRecorder.setProfile(mProfile);
mEffectsRecorder.setEffectsListener(this);
mEffectsRecorder.setOnInfoListener(this);
mEffectsRecorder.setOnErrorListener(this);
// The input of effects recorder is affected by
// android.hardware.Camera.setDisplayOrientation. Its value only
// compensates the camera orientation (no Display.getRotation). So the
// orientation hint here should only consider sensor orientation.
int orientation = 0;
if (mOrientation != OrientationEventListener.ORIENTATION_UNKNOWN) {
orientation = mOrientation;
}
mEffectsRecorder.setOrientationHint(orientation);
CameraScreenNail screenNail = (CameraScreenNail) mActivity.mCameraScreenNail;
mEffectsRecorder.setPreviewSurfaceTexture(screenNail.getSurfaceTexture(),
screenNail.getWidth(), screenNail.getHeight());
if (mEffectType == EffectsRecorder.EFFECT_BACKDROPPER &&
((String) mEffectParameter).equals(EFFECT_BG_FROM_GALLERY)) {
mEffectsRecorder.setEffect(mEffectType, mEffectUriFromGallery);
} else {
mEffectsRecorder.setEffect(mEffectType, mEffectParameter);
}
}
private void initializeEffectsRecording() {
Log.v(TAG, "initializeEffectsRecording");
Intent intent = mActivity.getIntent();
Bundle myExtras = intent.getExtras();
long requestedSizeLimit = 0;
closeVideoFileDescriptor();
if (mIsVideoCaptureIntent && myExtras != null) {
Uri saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT);
if (saveUri != null) {
try {
mVideoFileDescriptor =
mContentResolver.openFileDescriptor(saveUri, "rw");
mCurrentVideoUri = saveUri;
} catch (java.io.FileNotFoundException ex) {
// invalid uri
Log.e(TAG, ex.toString());
}
}
requestedSizeLimit = myExtras.getLong(MediaStore.EXTRA_SIZE_LIMIT);
}
mEffectsRecorder.setProfile(mProfile);
// important to set the capture rate to zero if not timelapsed, since the
// effectsrecorder object does not get created again for each recording
// session
if (mCaptureTimeLapse) {
mEffectsRecorder.setCaptureRate((1000 / (double) mTimeBetweenTimeLapseFrameCaptureMs));
} else {
mEffectsRecorder.setCaptureRate(0);
}
// Set output file
if (mVideoFileDescriptor != null) {
mEffectsRecorder.setOutputFile(mVideoFileDescriptor.getFileDescriptor());
} else {
generateVideoFilename(mProfile.fileFormat);
mEffectsRecorder.setOutputFile(mVideoFilename);
}
// Set maximum file size.
long maxFileSize = mActivity.getStorageSpace() - Storage.LOW_STORAGE_THRESHOLD;
if (requestedSizeLimit > 0 && requestedSizeLimit < maxFileSize) {
maxFileSize = requestedSizeLimit;
}
mEffectsRecorder.setMaxFileSize(maxFileSize);
mEffectsRecorder.setMaxDuration(mMaxVideoDurationInMs);
}
private void releaseMediaRecorder() {
Log.v(TAG, "Releasing media recorder.");
if (mMediaRecorder != null) {
cleanupEmptyFile();
mMediaRecorder.reset();
mMediaRecorder.release();
mMediaRecorder = null;
}
mVideoFilename = null;
}
private void releaseEffectsRecorder() {
Log.v(TAG, "Releasing effects recorder.");
if (mEffectsRecorder != null) {
cleanupEmptyFile();
mEffectsRecorder.release();
mEffectsRecorder = null;
}
mEffectType = EffectsRecorder.EFFECT_NONE;
mVideoFilename = null;
}
private void generateVideoFilename(int outputFileFormat) {
long dateTaken = System.currentTimeMillis();
String title = createName(dateTaken);
// Used when emailing.
String filename = title + convertOutputFormatToFileExt(outputFileFormat);
String mime = convertOutputFormatToMimeType(outputFileFormat);
String path = Storage.DIRECTORY + '/' + filename;
String tmpPath = path + ".tmp";
mCurrentVideoValues = new ContentValues(9);
mCurrentVideoValues.put(Video.Media.TITLE, title);
mCurrentVideoValues.put(Video.Media.DISPLAY_NAME, filename);
mCurrentVideoValues.put(Video.Media.DATE_TAKEN, dateTaken);
mCurrentVideoValues.put(MediaColumns.DATE_MODIFIED, dateTaken / 1000);
mCurrentVideoValues.put(Video.Media.MIME_TYPE, mime);
mCurrentVideoValues.put(Video.Media.DATA, path);
mCurrentVideoValues.put(Video.Media.RESOLUTION,
Integer.toString(mProfile.videoFrameWidth) + "x" +
Integer.toString(mProfile.videoFrameHeight));
Location loc = mLocationManager.getCurrentLocation();
if (loc != null) {
mCurrentVideoValues.put(Video.Media.LATITUDE, loc.getLatitude());
mCurrentVideoValues.put(Video.Media.LONGITUDE, loc.getLongitude());
}
mVideoFilename = tmpPath;
Log.v(TAG, "New video filename: " + mVideoFilename);
}
private void saveVideo() {
if (mVideoFileDescriptor == null) {
long duration = SystemClock.uptimeMillis() - mRecordingStartTime;
if (duration > 0) {
if (mCaptureTimeLapse) {
duration = getTimeLapseVideoLength(duration);
}
} else {
Log.w(TAG, "Video duration <= 0 : " + duration);
}
mActivity.getMediaSaveService().addVideo(mCurrentVideoFilename,
duration, mCurrentVideoValues,
mOnVideoSavedListener, mContentResolver);
}
mCurrentVideoValues = null;
}
private void deleteVideoFile(String fileName) {
Log.v(TAG, "Deleting video " + fileName);
File f = new File(fileName);
if (!f.delete()) {
Log.v(TAG, "Could not delete " + fileName);
}
}
private PreferenceGroup filterPreferenceScreenByIntent(
PreferenceGroup screen) {
Intent intent = mActivity.getIntent();
if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) {
CameraSettings.removePreferenceFromScreen(screen,
CameraSettings.KEY_VIDEO_QUALITY);
}
if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) {
CameraSettings.removePreferenceFromScreen(screen,
CameraSettings.KEY_VIDEO_QUALITY);
}
return screen;
}
// from MediaRecorder.OnErrorListener
@Override
public void onError(MediaRecorder mr, int what, int extra) {
Log.e(TAG, "MediaRecorder error. what=" + what + ". extra=" + extra);
if (what == MediaRecorder.MEDIA_RECORDER_ERROR_UNKNOWN) {
// We may have run out of space on the sdcard.
stopVideoRecording();
mActivity.updateStorageSpaceAndHint();
}
}
// from MediaRecorder.OnInfoListener
@Override
public void onInfo(MediaRecorder mr, int what, int extra) {
if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED) {
if (mMediaRecorderRecording) onStopVideoRecording();
} else if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) {
if (mMediaRecorderRecording) onStopVideoRecording();
// Show the toast.
Toast.makeText(mActivity, R.string.video_reach_size_limit,
Toast.LENGTH_LONG).show();
}
}
/*
* Make sure we're not recording music playing in the background, ask the
* MediaPlaybackService to pause playback.
*/
private void pauseAudioPlayback() {
// Shamelessly copied from MediaPlaybackService.java, which
// should be public, but isn't.
Intent i = new Intent("com.android.music.musicservicecommand");
i.putExtra("command", "pause");
mActivity.sendBroadcast(i);
}
// For testing.
public boolean isRecording() {
return mMediaRecorderRecording;
}
private void startVideoRecording() {
Log.v(TAG, "startVideoRecording");
mUI.enablePreviewThumb(false);
mActivity.setSwipingEnabled(false);
mActivity.updateStorageSpaceAndHint();
if (mActivity.getStorageSpace() <= Storage.LOW_STORAGE_THRESHOLD) {
Log.v(TAG, "Storage issue, ignore the start request");
return;
}
if (!mActivity.mCameraDevice.waitDone()) return;
mCurrentVideoUri = null;
if (effectsActive()) {
initializeEffectsRecording();
if (mEffectsRecorder == null) {
Log.e(TAG, "Fail to initialize effect recorder");
return;
}
} else {
initializeRecorder();
if (mMediaRecorder == null) {
Log.e(TAG, "Fail to initialize media recorder");
return;
}
}
pauseAudioPlayback();
if (effectsActive()) {
try {
mEffectsRecorder.startRecording();
} catch (RuntimeException e) {
Log.e(TAG, "Could not start effects recorder. ", e);
releaseEffectsRecorder();
return;
}
} else {
try {
mMediaRecorder.start(); // Recording is now started
} catch (RuntimeException e) {
Log.e(TAG, "Could not start media recorder. ", e);
releaseMediaRecorder();
// If start fails, frameworks will not lock the camera for us.
mActivity.mCameraDevice.lock();
return;
}
}
// Make sure the video recording has started before announcing
// this in accessibility.
AccessibilityUtils.makeAnnouncement(mActivity.getShutterButton(),
mActivity.getString(R.string.video_recording_started));
// The parameters might have been altered by MediaRecorder already.
// We need to force mCameraDevice to refresh before getting it.
mActivity.mCameraDevice.refreshParameters();
// The parameters may have been changed by MediaRecorder upon starting
// recording. We need to alter the parameters if we support camcorder
// zoom. To reduce latency when setting the parameters during zoom, we
// update mParameters here once.
if (ApiHelper.HAS_ZOOM_WHEN_RECORDING) {
mParameters = mActivity.mCameraDevice.getParameters();
}
mUI.enableCameraControls(false);
mMediaRecorderRecording = true;
if (!Util.systemRotationLocked(mActivity)) {
mActivity.getOrientationManager().lockOrientation();
}
mRecordingStartTime = SystemClock.uptimeMillis();
mUI.showRecordingUI(true, mParameters.isZoomSupported());
updateRecordingTime();
keepScreenOn();
UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
UsageStatistics.ACTION_CAPTURE_START, "Video");
}
private void showCaptureResult() {
mIsInReviewMode = true;
Bitmap bitmap = null;
if (mVideoFileDescriptor != null) {
bitmap = Thumbnail.createVideoThumbnailBitmap(mVideoFileDescriptor.getFileDescriptor(),
mDesiredPreviewWidth);
} else if (mCurrentVideoFilename != null) {
bitmap = Thumbnail.createVideoThumbnailBitmap(mCurrentVideoFilename,
mDesiredPreviewWidth);
}
if (bitmap != null) {
// MetadataRetriever already rotates the thumbnail. We should rotate
// it to match the UI orientation (and mirror if it is front-facing camera).
CameraInfo[] info = CameraHolder.instance().getCameraInfo();
boolean mirror = (info[mCameraId].facing == CameraInfo.CAMERA_FACING_FRONT);
bitmap = Util.rotateAndMirror(bitmap, 0, mirror);
mUI.showReviewImage(bitmap);
}
mUI.showReviewControls();
mUI.enableCameraControls(false);
mUI.showTimeLapseUI(false);
}
private void hideAlert() {
mUI.enableCameraControls(true);
mUI.hideReviewUI();
if (mCaptureTimeLapse) {
mUI.showTimeLapseUI(true);
}
}
private boolean stopVideoRecording() {
Log.v(TAG, "stopVideoRecording");
mActivity.setSwipingEnabled(true);
mActivity.showSwitcher();
boolean fail = false;
if (mMediaRecorderRecording) {
boolean shouldAddToMediaStoreNow = false;
try {
if (effectsActive()) {
// This is asynchronous, so we can't add to media store now because thumbnail
// may not be ready. In such case saveVideo() is called later
// through a callback from the MediaEncoderFilter to EffectsRecorder,
// and then to the VideoModule.
mEffectsRecorder.stopRecording();
} else {
mMediaRecorder.setOnErrorListener(null);
mMediaRecorder.setOnInfoListener(null);
mMediaRecorder.stop();
shouldAddToMediaStoreNow = true;
}
mCurrentVideoFilename = mVideoFilename;
Log.v(TAG, "stopVideoRecording: Setting current video filename: "
+ mCurrentVideoFilename);
AccessibilityUtils.makeAnnouncement(mActivity.getShutterButton(),
mActivity.getString(R.string.video_recording_stopped));
} catch (RuntimeException e) {
Log.e(TAG, "stop fail", e);
if (mVideoFilename != null) deleteVideoFile(mVideoFilename);
fail = true;
}
mMediaRecorderRecording = false;
if (!Util.systemRotationLocked(mActivity)) {
mActivity.getOrientationManager().unlockOrientation();
}
// If the activity is paused, this means activity is interrupted
// during recording. Release the camera as soon as possible because
// face unlock or other applications may need to use the camera.
// However, if the effects are active, then we can only release the
// camera and cannot release the effects recorder since that will
// stop the graph. It is possible to separate out the Camera release
// part and the effects release part. However, the effects recorder
// does hold on to the camera, hence, it needs to be "disconnected"
// from the camera in the closeCamera call.
if (mPaused) {
// Closing only the camera part if effects active. Effects will
// be closed in the callback from effects.
boolean closeEffects = !effectsActive();
closeCamera(closeEffects);
}
mUI.showRecordingUI(false, mParameters.isZoomSupported());
if (!mIsVideoCaptureIntent) {
mUI.enableCameraControls(true);
}
// The orientation was fixed during video recording. Now make it
// reflect the device orientation as video recording is stopped.
mUI.setOrientationIndicator(0, true);
keepScreenOnAwhile();
if (shouldAddToMediaStoreNow) {
saveVideo();
}
}
// always release media recorder if no effects running
if (!effectsActive()) {
releaseMediaRecorder();
if (!mPaused) {
mActivity.mCameraDevice.lock();
mActivity.mCameraDevice.waitDone();
if (ApiHelper.HAS_SURFACE_TEXTURE &&
!ApiHelper.HAS_SURFACE_TEXTURE_RECORDING) {
stopPreview();
// Switch back to use SurfaceTexture for preview.
((CameraScreenNail) mActivity.mCameraScreenNail).setOneTimeOnFrameDrawnListener(
mFrameDrawnListener);
startPreview();
}
}
}
// Update the parameters here because the parameters might have been altered
// by MediaRecorder.
if (!mPaused) mParameters = mActivity.mCameraDevice.getParameters();
UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
fail ? UsageStatistics.ACTION_CAPTURE_FAIL :
UsageStatistics.ACTION_CAPTURE_DONE, "Video",
SystemClock.uptimeMillis() - mRecordingStartTime);
return fail;
}
private void resetScreenOn() {
mHandler.removeMessages(CLEAR_SCREEN_DELAY);
mActivity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
private void keepScreenOnAwhile() {
mHandler.removeMessages(CLEAR_SCREEN_DELAY);
mActivity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY);
}
private void keepScreenOn() {
mHandler.removeMessages(CLEAR_SCREEN_DELAY);
mActivity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
private static String millisecondToTimeString(long milliSeconds, boolean displayCentiSeconds) {
long seconds = milliSeconds / 1000; // round down to compute seconds
long minutes = seconds / 60;
long hours = minutes / 60;
long remainderMinutes = minutes - (hours * 60);
long remainderSeconds = seconds - (minutes * 60);
StringBuilder timeStringBuilder = new StringBuilder();
// Hours
if (hours > 0) {
if (hours < 10) {
timeStringBuilder.append('0');
}
timeStringBuilder.append(hours);
timeStringBuilder.append(':');
}
// Minutes
if (remainderMinutes < 10) {
timeStringBuilder.append('0');
}
timeStringBuilder.append(remainderMinutes);
timeStringBuilder.append(':');
// Seconds
if (remainderSeconds < 10) {
timeStringBuilder.append('0');
}
timeStringBuilder.append(remainderSeconds);
// Centi seconds
if (displayCentiSeconds) {
timeStringBuilder.append('.');
long remainderCentiSeconds = (milliSeconds - seconds * 1000) / 10;
if (remainderCentiSeconds < 10) {
timeStringBuilder.append('0');
}
timeStringBuilder.append(remainderCentiSeconds);
}
return timeStringBuilder.toString();
}
private long getTimeLapseVideoLength(long deltaMs) {
// For better approximation calculate fractional number of frames captured.
// This will update the video time at a higher resolution.
double numberOfFrames = (double) deltaMs / mTimeBetweenTimeLapseFrameCaptureMs;
return (long) (numberOfFrames / mProfile.videoFrameRate * 1000);
}
private void updateRecordingTime() {
if (!mMediaRecorderRecording) {
return;
}
long now = SystemClock.uptimeMillis();
long delta = now - mRecordingStartTime;
// Starting a minute before reaching the max duration
// limit, we'll countdown the remaining time instead.
boolean countdownRemainingTime = (mMaxVideoDurationInMs != 0
&& delta >= mMaxVideoDurationInMs - 60000);
long deltaAdjusted = delta;
if (countdownRemainingTime) {
deltaAdjusted = Math.max(0, mMaxVideoDurationInMs - deltaAdjusted) + 999;
}
String text;
long targetNextUpdateDelay;
if (!mCaptureTimeLapse) {
text = millisecondToTimeString(deltaAdjusted, false);
targetNextUpdateDelay = 1000;
} else {
// The length of time lapse video is different from the length
// of the actual wall clock time elapsed. Display the video length
// only in format hh:mm:ss.dd, where dd are the centi seconds.
text = millisecondToTimeString(getTimeLapseVideoLength(delta), true);
targetNextUpdateDelay = mTimeBetweenTimeLapseFrameCaptureMs;
}
mUI.setRecordingTime(text);
if (mRecordingTimeCountsDown != countdownRemainingTime) {
// Avoid setting the color on every update, do it only
// when it needs changing.
mRecordingTimeCountsDown = countdownRemainingTime;
int color = mActivity.getResources().getColor(countdownRemainingTime
? R.color.recording_time_remaining_text
: R.color.recording_time_elapsed_text);
mUI.setRecordingTimeTextColor(color);
}
long actualNextUpdateDelay = targetNextUpdateDelay - (delta % targetNextUpdateDelay);
mHandler.sendEmptyMessageDelayed(
UPDATE_RECORD_TIME, actualNextUpdateDelay);
}
private static boolean isSupported(String value, List<String> supported) {
return supported == null ? false : supported.indexOf(value) >= 0;
}
@SuppressWarnings("deprecation")
private void setCameraParameters() {
mParameters.setPreviewSize(mDesiredPreviewWidth, mDesiredPreviewHeight);
mParameters.setPreviewFrameRate(mProfile.videoFrameRate);
// Set flash mode.
String flashMode;
if (mActivity.mShowCameraAppView) {
flashMode = mPreferences.getString(
CameraSettings.KEY_VIDEOCAMERA_FLASH_MODE,
mActivity.getString(R.string.pref_camera_video_flashmode_default));
} else {
flashMode = Parameters.FLASH_MODE_OFF;
}
List<String> supportedFlash = mParameters.getSupportedFlashModes();
if (isSupported(flashMode, supportedFlash)) {
mParameters.setFlashMode(flashMode);
} else {
flashMode = mParameters.getFlashMode();
if (flashMode == null) {
flashMode = mActivity.getString(
R.string.pref_camera_flashmode_no_flash);
}
}
// Set white balance parameter.
String whiteBalance = mPreferences.getString(
CameraSettings.KEY_WHITE_BALANCE,
mActivity.getString(R.string.pref_camera_whitebalance_default));
if (isSupported(whiteBalance,
mParameters.getSupportedWhiteBalance())) {
mParameters.setWhiteBalance(whiteBalance);
} else {
whiteBalance = mParameters.getWhiteBalance();
if (whiteBalance == null) {
whiteBalance = Parameters.WHITE_BALANCE_AUTO;
}
}
// Set zoom.
if (mParameters.isZoomSupported()) {
mParameters.setZoom(mZoomValue);
}
// Set continuous autofocus.
List<String> supportedFocus = mParameters.getSupportedFocusModes();
if (isSupported(Parameters.FOCUS_MODE_CONTINUOUS_VIDEO, supportedFocus)) {
mParameters.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
mParameters.set(Util.RECORDING_HINT, Util.TRUE);
// Enable video stabilization. Convenience methods not available in API
// level <= 14
String vstabSupported = mParameters.get("video-stabilization-supported");
if ("true".equals(vstabSupported)) {
mParameters.set("video-stabilization", "true");
}
// Set picture size.
// The logic here is different from the logic in still-mode camera.
// There we determine the preview size based on the picture size, but
// here we determine the picture size based on the preview size.
List<Size> supported = mParameters.getSupportedPictureSizes();
Size optimalSize = Util.getOptimalVideoSnapshotPictureSize(supported,
(double) mDesiredPreviewWidth / mDesiredPreviewHeight);
Size original = mParameters.getPictureSize();
if (!original.equals(optimalSize)) {
mParameters.setPictureSize(optimalSize.width, optimalSize.height);
}
Log.v(TAG, "Video snapshot size is " + optimalSize.width + "x" +
optimalSize.height);
// Set JPEG quality.
int jpegQuality = CameraProfile.getJpegEncodingQualityParameter(mCameraId,
CameraProfile.QUALITY_HIGH);
mParameters.setJpegQuality(jpegQuality);
mActivity.mCameraDevice.setParameters(mParameters);
// Keep preview size up to date.
mParameters = mActivity.mCameraDevice.getParameters();
updateCameraScreenNailSize(mDesiredPreviewWidth, mDesiredPreviewHeight);
}
private void updateCameraScreenNailSize(int width, int height) {
if (!ApiHelper.HAS_SURFACE_TEXTURE) return;
if (mCameraDisplayOrientation % 180 != 0) {
int tmp = width;
width = height;
height = tmp;
}
CameraScreenNail screenNail = (CameraScreenNail) mActivity.mCameraScreenNail;
int oldWidth = screenNail.getWidth();
int oldHeight = screenNail.getHeight();
if (oldWidth != width || oldHeight != height) {
screenNail.setSize(width, height);
screenNail.enableAspectRatioClamping();
mActivity.notifyScreenNailChanged();
}
if (screenNail.getSurfaceTexture() == null) {
screenNail.acquireSurfaceTexture();
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQUEST_EFFECT_BACKDROPPER:
if (resultCode == Activity.RESULT_OK) {
// onActivityResult() runs before onResume(), so this parameter will be
// seen by startPreview from onResume()
mEffectUriFromGallery = data.getData().toString();
Log.v(TAG, "Received URI from gallery: " + mEffectUriFromGallery);
mResetEffect = false;
} else {
mEffectUriFromGallery = null;
Log.w(TAG, "No URI from gallery");
mResetEffect = true;
}
break;
}
}
@Override
public void onEffectsUpdate(int effectId, int effectMsg) {
Log.v(TAG, "onEffectsUpdate. Effect Message = " + effectMsg);
if (effectMsg == EffectsRecorder.EFFECT_MSG_EFFECTS_STOPPED) {
// Effects have shut down. Hide learning message if any,
// and restart regular preview.
checkQualityAndStartPreview();
} else if (effectMsg == EffectsRecorder.EFFECT_MSG_RECORDING_DONE) {
// This follows the codepath from onStopVideoRecording.
if (mEffectsDisplayResult) {
saveVideo();
if (mIsVideoCaptureIntent) {
if (mQuickCapture) {
doReturnToCaller(true);
} else {
showCaptureResult();
}
}
}
mEffectsDisplayResult = false;
// In onPause, these were not called if the effects were active. We
// had to wait till the effects recording is complete to do this.
if (mPaused) {
closeVideoFileDescriptor();
}
} else if (effectMsg == EffectsRecorder.EFFECT_MSG_PREVIEW_RUNNING) {
// Enable the shutter button once the preview is complete.
mUI.enableShutter(true);
}
// In onPause, this was not called if the effects were active. We had to
// wait till the effects completed to do this.
if (mPaused) {
Log.v(TAG, "OnEffectsUpdate: closing effects if activity paused");
closeEffects();
}
}
public void onCancelBgTraining(View v) {
// Write default effect out to shared prefs
writeDefaultEffectToPrefs();
// Tell VideoCamer to re-init based on new shared pref values.
onSharedPreferenceChanged();
}
@Override
public synchronized void onEffectsError(Exception exception, String fileName) {
// TODO: Eventually we may want to show the user an error dialog, and then restart the
// camera and encoder gracefully. For now, we just delete the file and bail out.
if (fileName != null && new File(fileName).exists()) {
deleteVideoFile(fileName);
}
try {
if (Class.forName("android.filterpacks.videosink.MediaRecorderStopException")
.isInstance(exception)) {
Log.w(TAG, "Problem recoding video file. Removing incomplete file.");
return;
}
} catch (ClassNotFoundException ex) {
Log.w(TAG, ex);
}
throw new RuntimeException("Error during recording!", exception);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
Log.v(TAG, "onConfigurationChanged");
setDisplayOrientation();
}
@Override
public void onOverriddenPreferencesClicked() {
}
@Override
// TODO: Delete this after old camera code is removed
public void onRestorePreferencesClicked() {
}
private boolean effectsActive() {
return (mEffectType != EffectsRecorder.EFFECT_NONE);
}
@Override
public void onSharedPreferenceChanged() {
// ignore the events after "onPause()" or preview has not started yet
if (mPaused) return;
synchronized (mPreferences) {
// If mCameraDevice is not ready then we can set the parameter in
// startPreview().
if (mActivity.mCameraDevice == null) return;
boolean recordLocation = RecordLocationPreference.get(
mPreferences, mContentResolver);
mLocationManager.recordLocation(recordLocation);
// Check if the current effects selection has changed
if (updateEffectSelection()) return;
readVideoPreferences();
mUI.showTimeLapseUI(mCaptureTimeLapse);
// We need to restart the preview if preview size is changed.
Size size = mParameters.getPreviewSize();
if (size.width != mDesiredPreviewWidth
|| size.height != mDesiredPreviewHeight) {
if (!effectsActive()) {
stopPreview();
} else {
mEffectsRecorder.release();
mEffectsRecorder = null;
}
resizeForPreviewAspectRatio();
startPreview(); // Parameters will be set in startPreview().
} else {
setCameraParameters();
}
mUI.updateOnScreenIndicators(mParameters, mPreferences);
}
}
protected void setCameraId(int cameraId) {
ListPreference pref = mPreferenceGroup.findPreference(CameraSettings.KEY_CAMERA_ID);
pref.setValue("" + cameraId);
}
private void switchCamera() {
if (mPaused) return;
Log.d(TAG, "Start to switch camera.");
mCameraId = mPendingSwitchCameraId;
mPendingSwitchCameraId = -1;
setCameraId(mCameraId);
closeCamera();
mUI.collapseCameraControls();
// Restart the camera and initialize the UI. From onCreate.
mPreferences.setLocalId(mActivity, mCameraId);
CameraSettings.upgradeLocalPreferences(mPreferences.getLocal());
openCamera();
readVideoPreferences();
startPreview();
initializeVideoSnapshot();
resizeForPreviewAspectRatio();
initializeVideoControl();
// From onResume
mUI.initializeZoom(mParameters);
mUI.setOrientationIndicator(0, false);
if (ApiHelper.HAS_SURFACE_TEXTURE) {
// Start switch camera animation. Post a message because
// onFrameAvailable from the old camera may already exist.
mHandler.sendEmptyMessage(SWITCH_CAMERA_START_ANIMATION);
}
mUI.updateOnScreenIndicators(mParameters, mPreferences);
}
// Preview texture has been copied. Now camera can be released and the
// animation can be started.
@Override
public void onPreviewTextureCopied() {
mHandler.sendEmptyMessage(SWITCH_CAMERA);
}
@Override
public void onCaptureTextureCopied() {
}
private boolean updateEffectSelection() {
int previousEffectType = mEffectType;
Object previousEffectParameter = mEffectParameter;
mEffectType = CameraSettings.readEffectType(mPreferences);
mEffectParameter = CameraSettings.readEffectParameter(mPreferences);
if (mEffectType == previousEffectType) {
if (mEffectType == EffectsRecorder.EFFECT_NONE) return false;
if (mEffectParameter.equals(previousEffectParameter)) return false;
}
Log.v(TAG, "New effect selection: " + mPreferences.getString(
CameraSettings.KEY_VIDEO_EFFECT, "none"));
if (mEffectType == EffectsRecorder.EFFECT_NONE) {
// Stop effects and return to normal preview
mEffectsRecorder.stopPreview();
mPreviewing = false;
return true;
}
if (mEffectType == EffectsRecorder.EFFECT_BACKDROPPER &&
((String) mEffectParameter).equals(EFFECT_BG_FROM_GALLERY)) {
// Request video from gallery to use for background
Intent i = new Intent(Intent.ACTION_PICK);
i.setDataAndType(Video.Media.EXTERNAL_CONTENT_URI,
"video/*");
i.putExtra(Intent.EXTRA_LOCAL_ONLY, true);
mActivity.startActivityForResult(i, REQUEST_EFFECT_BACKDROPPER);
return true;
}
if (previousEffectType == EffectsRecorder.EFFECT_NONE) {
// Stop regular preview and start effects.
stopPreview();
checkQualityAndStartPreview();
} else {
// Switch currently running effect
mEffectsRecorder.setEffect(mEffectType, mEffectParameter);
}
return true;
}
// Verifies that the current preview view size is correct before starting
// preview. If not, resets the surface texture and resizes the view.
private void checkQualityAndStartPreview() {
readVideoPreferences();
mUI.showTimeLapseUI(mCaptureTimeLapse);
Size size = mParameters.getPreviewSize();
if (size.width != mDesiredPreviewWidth
|| size.height != mDesiredPreviewHeight) {
resizeForPreviewAspectRatio();
}
// Start up preview again
startPreview();
}
@Override
public boolean dispatchTouchEvent(MotionEvent m) {
if (mSwitchingCamera) return true;
return mUI.dispatchTouchEvent(m);
}
private void initializeVideoSnapshot() {
if (mParameters == null) return;
if (Util.isVideoSnapshotSupported(mParameters) && !mIsVideoCaptureIntent) {
mActivity.setSingleTapUpListener(mUI.getPreview());
// Show the tap to focus toast if this is the first start.
if (mPreferences.getBoolean(
CameraSettings.KEY_VIDEO_FIRST_USE_HINT_SHOWN, true)) {
// Delay the toast for one second to wait for orientation.
mHandler.sendEmptyMessageDelayed(SHOW_TAP_TO_SNAPSHOT_TOAST, 1000);
}
} else {
mActivity.setSingleTapUpListener(null);
}
}
void showVideoSnapshotUI(boolean enabled) {
if (mParameters == null) return;
if (Util.isVideoSnapshotSupported(mParameters) && !mIsVideoCaptureIntent) {
if (ApiHelper.HAS_SURFACE_TEXTURE && enabled) {
((CameraScreenNail) mActivity.mCameraScreenNail).animateCapture(mDisplayRotation);
} else {
mUI.showPreviewBorder(enabled);
}
mUI.enableShutter(!enabled);
}
}
@Override
public void updateCameraAppView() {
if (!mPreviewing || mParameters.getFlashMode() == null) return;
// When going to and back from gallery, we need to turn off/on the flash.
if (!mActivity.mShowCameraAppView) {
if (mParameters.getFlashMode().equals(Parameters.FLASH_MODE_OFF)) {
mRestoreFlash = false;
return;
}
mRestoreFlash = true;
setCameraParameters();
} else if (mRestoreFlash) {
mRestoreFlash = false;
setCameraParameters();
}
}
@Override
public void onFullScreenChanged(boolean full) {
mUI.onFullScreenChanged(full);
if (ApiHelper.HAS_SURFACE_TEXTURE) {
if (mActivity.mCameraScreenNail != null) {
((CameraScreenNail) mActivity.mCameraScreenNail).setFullScreen(full);
}
return;
}
}
private final class JpegPictureCallback implements PictureCallback {
Location mLocation;
public JpegPictureCallback(Location loc) {
mLocation = loc;
}
@Override
public void onPictureTaken(byte [] jpegData, android.hardware.Camera camera) {
Log.v(TAG, "onPictureTaken");
mSnapshotInProgress = false;
showVideoSnapshotUI(false);
storeImage(jpegData, mLocation);
}
}
private void storeImage(final byte[] data, Location loc) {
long dateTaken = System.currentTimeMillis();
String title = Util.createJpegName(dateTaken);
ExifInterface exif = Exif.getExif(data);
int orientation = Exif.getOrientation(exif);
Size s = mParameters.getPictureSize();
mActivity.getMediaSaveService().addImage(
data, title, dateTaken, loc, s.width, s.height, orientation,
exif, mOnPhotoSavedListener, mContentResolver);
}
private boolean resetEffect() {
if (mResetEffect) {
String value = mPreferences.getString(CameraSettings.KEY_VIDEO_EFFECT,
mPrefVideoEffectDefault);
if (!mPrefVideoEffectDefault.equals(value)) {
writeDefaultEffectToPrefs();
return true;
}
}
mResetEffect = true;
return false;
}
private String convertOutputFormatToMimeType(int outputFileFormat) {
if (outputFileFormat == MediaRecorder.OutputFormat.MPEG_4) {
return "video/mp4";
}
return "video/3gpp";
}
private String convertOutputFormatToFileExt(int outputFileFormat) {
if (outputFileFormat == MediaRecorder.OutputFormat.MPEG_4) {
return ".mp4";
}
return ".3gp";
}
private void closeVideoFileDescriptor() {
if (mVideoFileDescriptor != null) {
try {
mVideoFileDescriptor.close();
} catch (IOException e) {
Log.e(TAG, "Fail to close fd", e);
}
mVideoFileDescriptor = null;
}
}
private void showTapToSnapshotToast() {
new RotateTextToast(mActivity, R.string.video_snapshot_hint, 0)
.show();
// Clear the preference.
Editor editor = mPreferences.edit();
editor.putBoolean(CameraSettings.KEY_VIDEO_FIRST_USE_HINT_SHOWN, false);
editor.apply();
}
@Override
public boolean updateStorageHintOnResume() {
return true;
}
// required by OnPreferenceChangedListener
@Override
public void onCameraPickerClicked(int cameraId) {
if (mPaused || mPendingSwitchCameraId != -1) return;
mPendingSwitchCameraId = cameraId;
if (ApiHelper.HAS_SURFACE_TEXTURE) {
Log.d(TAG, "Start to copy texture.");
// We need to keep a preview frame for the animation before
// releasing the camera. This will trigger onPreviewTextureCopied.
((CameraScreenNail) mActivity.mCameraScreenNail).copyTexture();
// Disable all camera controls.
mSwitchingCamera = true;
} else {
switchCamera();
}
}
@Override
public boolean needsSwitcher() {
return !mIsVideoCaptureIntent;
}
@Override
public boolean needsPieMenu() {
return true;
}
@Override
public void onShowSwitcherPopup() {
mUI.onShowSwitcherPopup();
}
@Override
public void onMediaSaveServiceConnected(MediaSaveService s) {
// do nothing.
}
}